import java.util.Scanner;

public class Java005 {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int InNum =sc.nextInt();
        System.out.println("请输入10000以内且大于0的数字");
        for(int i = 0;;i++){
            if(InNum<0){
                System.out.println("输入不符合要求!");
                break;
            }
            if(i*i==InNum){
                System.out.println(InNum+"的平方根是"+i);
                break;
            }
            if(i*i<InNum&&(i+1)*(i+1)>InNum){
                System.out.println(InNum+"的平方根是"+i+"-"+(i+1)+"之间");
                break;
            }
        }

    }
}
//循环作业3：  求平方根